Attempting to install custom applications through Application Manager results in failure with error "Encountered scriptable of unknown type Function in sn_appclient"Issue Unable to install custom applications through Application Manager. Install never completes, and a refresh of the page presents the error "Encountered scriptable of unknown type Function in sn_appclient". Also unable to install updates to apps from store.ReleaseVancouver and newer.CauseA condition in the node where the installation action is attempted causes the app installation process to fail.ResolutionA ServiceNow Technical Support Engineer can restart the affected node or the complete instance to clear the condition. Please communicate with the TSE when is best to schedule the node or instance restart.